JPH0776946A - Two-tiered parking system - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] To provide an underground storage type two-stage multi-storey parking system that has a simple structure, has rigidity and strength that does not cause lateral shake, and is free from malfunctions such as water damage. [Structure] In a two-stage type multi-level parking device in which the parking pallet 2 is configured in two stages and the lower part is stored in the pit 1 dug underground, it is composed of a combination of the plurality of ball screw shafts and ball nuts. The elevating drive device 10 is arranged on one side with respect to the direction in which the parking pallet moves in and out of the vehicle, and a drive shaft for synchronously driving a plurality of ball screw shafts and an electric motor 23 are provided on the upper part of the elevating drive device. Two links 3 crossing the X-shape at the bottom of the parking pallet
An elevating guide device composed of 1, 32 is provided in a direction substantially perpendicular to the direction of entry and exit of the vehicle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-stage multi-story parking system in which a lower part of a parking pallet composed of upper and lower two stages is stored in a pit dug underground.

[0002]

2. Description of the Related Art Conventionally, as a two-stage multi-level parking apparatus of the type installed on the ground, for example, the one shown in FIG. 8 has been put into practical use (see Japanese Utility Model Laid-Open No. 4-135661).

In this system, elevating columns having screw shafts are installed uprightly on the left and right rear of the parking pallet 101, and the left and right screw shafts are driven to rotate synchronously to elevate and lower a ball nut screwed to the screw shafts. , An elevating / lowering drive device 102 for elevating and lowering the parking pallet 101 engaged and connected to the ball nut, and further, each of the left and right side portions of the parking pallet 101 crosses in an X-shape, and the central portion is pivotally attached to each other so as to be rotatable. Two connected
An elevating guide device 103 composed of a book link is provided.

Further, when the vehicle is parked on the lower part of the parking pallet, that is, on the ground portion, the parking device has a problem that the vehicle parked on the lifted parking pallet cannot be unloaded. This problem is solved. As a matter of fact, a two-stage multi-level parking apparatus of a type in which a parking pallet is constructed in two upper and lower stages and the lower part is stored in a pit 110 dug underground as shown in FIG. 9 has been developed.

[0005]

According to the conventional technique described above and shown in FIG. 9, when the vehicle parked on the upper pallet receives a strong cross wind or the earthquake occurs when the parking pallet is in the raised position. If there is vibration due to vibration, there is a problem in rigidity and strength against lateral shake, and in addition, since the drive shaft that drives the left and right ball screw shafts to rotate synchronously, the electric motor, etc. are installed at the bottom of the pit, they are vulnerable to water damage. is there.

The present invention has been made in view of the above-mentioned problems of the above-mentioned prior art. The object of the present invention is to provide a rigidity that does not cause lateral vibration with a simple structure,
An object is to provide an underground storage type two-stage multi-level parking device that is strong and resistant to water damage.

[0007]

[Means for Solving the Problems] As means for achieving the above-mentioned object, a feature of the present invention is that in an underground storage type two-stage multi-story parking apparatus, an elevating and lowering drive apparatus comprising a combination of the plurality of ball screw shafts and ball nuts. Is disposed on one side of the parking pallet with respect to the direction of entry and exit of the vehicle, and a drive shaft and an electric motor for synchronously driving a plurality of ball screw shafts are provided in the upper part of the lifting drive device and in the lower part of the lower pallet. The purpose is to provide an elevating guide device including two links that intersect each other in an X shape in a direction substantially perpendicular to the direction in which the vehicle enters and leaves.

[0008]

Since the present invention is configured as described above, when the parking pallet is in the raised position, even if a strong cross wind is applied to the parked vehicle or vibration is generated due to an earthquake or the like, the X direction is laterally increased. Since the two links that cross in a letter shape are provided, rigidity and strength without lateral vibration are obtained, and the stability of the entire parking device is increased.

Further, since the drive shaft for synchronously rotating a plurality of ball screw shafts and the electric motor are provided in the upper part of the elevating and lowering device, there is no fear of failure even if a small amount of water accumulates at the bottom of the pit due to water damage or the like.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view showing an embodiment of the apparatus of the present invention in which two units are connected in series, and FIG. 2 is a side view thereof.
Reference numeral 1 in the figure is a pit dug in the ground.

In FIG. 1, the left parking apparatus shows the case where the two-tiered parking pallet 2 is in the raised position, and the right parking apparatus shows the case where the parking pallet 2 is in the lowered position.

The parking pallet 2 includes the upper pallet 3 and the lower pallet 4 at a position where there is no obstacle to the opening and closing of the driver's door of the vehicle A parked on the lower pallet 4, and a plurality of connecting pillars 5,
6 are connected at an appropriate interval (more than the vehicle height of the parked vehicle).

The elevating and lowering drive device 10 is one side (left side in FIG. 1) with respect to the direction in which a vehicle enters and leaves the parking pallet 2.
An elevating column 1 is provided at the bottom of a pit 1 with a bottom base 11 on which two groove-shaped steels 12 face each other, and a bracket 7 to be described later is arranged at an interval for raising and lowering.
3 are assembled in two in the front-rear direction, connected by an upper reinforcing member 14 and a lower reinforcing member 15, and a ball screw shaft 17 into which a ball nut 16 is screwed is provided inside the elevating support column 13. 18 is a pin fixed to the ball nut 16,
Reference numeral 19 is a lift roller that is rotatably mounted.

The front and rear ball screw shafts 17 are synchronously driven by an electric motor 23 through a power transmission mechanism such as a drive shaft 20, a worm 21 and a worm wheel 22 provided on the upper portion. The bracket 7 provided so as to project from the lower pallet 4 is hooked and engaged with the pin 18 fixed to the internal ball nut 16 from the opening surface of the elevating support column 13, so that the parking pallet 2 is rotated by the rotation of the ball screw shaft 17. It moves up and down together with the ball nut 16. 24 is a distribution box, and 25 is an operation switch.

Since the cover 8 provided on the upper part of the elevating drive device 10 is used as a passage for the driver to enter and exit the parked vehicle, it is better to install the elevating drive device 10 on the driver side of the parked vehicle. Good. In the figure, the vehicle moves in the backward direction and enters the vehicle, and exits when the vehicle moves forward.

An elevating guide device 30 for elevating and guiding the parking pallet 2 in a horizontal state is provided between the lower pallet 4 and the bottom of the pit 1 and intersects in an X-shape with a connecting pin 37 at the center. Is composed of two equal-length links 31 and 32 pivotally connected to each other,
By opening and closing the two links 31, 32, the parking pallet 2 is held in a horizontal state and lifted and lowered.

The left end of the first link 31 of the two links is pivotally connected to the bottom base 11 on which the elevating column 13 is erected by a connecting pin 38, and the right end of the first link 31 is connected to the link 31. An upper roller 33 pivotally mounted by an upper roller pin 39 is slidably connected to an upper guide rail 34 provided on the lower surface of the lower pallet 4.

The left end of the second link 32 is rotatably pivotally connected to the left end of the lower pallet 4 by a connecting pin 38, and the right end thereof is connected to the link 32 and a lower roller pin 40.
Is rotatably pivoted by a lower roller 35 and a lower guide rail 36 provided on the bottom substrate 11 so as to be slidably connected.

Next, the operation will be described.

When the electric motor 23 is operated by operating the operation switch 25, the rotational power is transmitted via the power transmission mechanism to the ball screw shaft 17 in the elevating column 13 standing up and down on the front and rear of the side of the parking pallet 2, The front and rear ball screw shafts 17 rotate synchronously.

Since the ball nut 16 moves up and down by the rotation of the ball screw shaft 17, the parking pallet 2 also moves up and down via the bracket 7.

When the parking pallet 2 rises, the left end of the second link 32 is pulled up, and the lower end of the right end of the lower link 35 slides along the lower guide rail 36.

The first link 31, which is rotatably and pivotally connected at the central portion of the second link 32, rises with the left end portion that is rotatably and pivotally connected to the bottom base 11 as a fulcrum, At the right end, the upper roller 33 slides leftward along the upper guide rail 34 provided on the lower surface of the lower pallet.

In this link device, the two links are of equal length and are pivotally connected to each other in a pivotable manner in the central portion, so that the left end connecting portion of the second link 32 and the right end portion of the first link 31 are always connected. The heights of the upper rollers 33 provided are the same, and the parking pallet 2 is always kept horizontal and moves up and down.

[0026]

Since the present invention is configured as described above through the embodiments, when the parking pallet is in the raised position, even if the parked vehicle receives a strong side wind or vibration due to an earthquake or the like, Since two links that cross in an X shape are provided, rigidity and strength without lateral vibration are obtained, and the lifting drive device and the lifting guide device are located at the most effective position with respect to the center of gravity of the vehicle. Since they are arranged at the front and rear with an appropriate interval, it is possible to provide an extremely stable underground storage type two-stage multi-storey parking system. Further, since the drive shaft for synchronously rotating a plurality of ball screw shafts and the electric motor are provided on the upper part of the elevating and lowering device, there is no fear of failure due to water damage or the like.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the device of the present invention.

2 is a side view of the device shown in FIG. 1. FIG.

3 is a plan view of the device shown in FIG. 1. FIG.

FIG. 4 is a plan cross-sectional view of a lifting column portion.

FIG. 5 is an explanatory view of the engagement state of the bracket.

FIG. 6 is an explanatory diagram of a power transmission mechanism.

FIG. 7 is an explanatory diagram of a lifting guide device.

FIG. 8 is a side view of the two-stage multi-level parking device of the type installed on the ground described in the related art.

FIG. 9 is a side view of the two-stage multi-level parking device of the type to be stored in the pit described in the related art.

[Explanation of symbols]

 A Vehicle 1 Pit 2 Parking pallet 3 Upper pallet 4 Lower pallet 5 Connecting column 6 Connecting column 7 Bracket 8 Cover 10 Lifting drive device 11 Bottom base 12 Groove steel 13 Lifting column 14 Upper reinforcement 15 Lower reinforcement 16 Ball nut 17 Ball screw shaft 18-pin 19 Elevating roller 20 Drive shaft 21 Worm 22 Worm wheel 23 Electric motor 24 Distribution box 25 Actuating switch 30 Elevating guide device 31 First link 32 Second link 33 Upper roller 34 Upper guide rail 35 Lower roller 36 Lower guide rail 37 Connection Pin 38 Connection Pin 39 Upper Roller Pin 40 Lower Roller Pin 101 Parking Pallet 102 Lifting Drive Device 103 Lifting Guide Device 110 Pit

Claims (1)

[Claims] 1. An elevating drive device for elevating and lowering a ball nut screwed to the ball screw shafts by synchronously driving a plurality of ball screw shafts to elevate a parking pallet connected to the ball nuts, and a lower part of the parking pallet. In a two-stage multi-storey parking system in which an elevating guide device composed of two links crossing in an X shape is provided, the parking pallet is configured in two stages, and the lower part is stored in a pit dug underground. A drive for arranging a lifting drive device composed of a combination of the plurality of ball screw shafts and ball nuts on one side of the parking pallet with respect to the direction of entry and exit of the vehicle, and driving the plurality of ball screw shafts to rotate synchronously. A shaft and an electric motor are provided at the upper part of the lifting drive device, and the X-axis is provided at the lower part of the parking pallet.
A lifting guide device consisting of two links that intersect in a letter shape,
A two-stage multi-level parking device, which is provided in a direction substantially perpendicular to the direction of entry and exit of a vehicle.